Robbers escaped with a haul of cash after terrorising staff and customers at a Sutton Coldfield post office.
Three men burst into Little Sutton Post Office, in Grange Lane, Four Oaks, at 5.25pm on Thursday and demanded staff hand over cash.
No weapons were seen but they made off with a large quantity of cash
They escaped in a silver coloured Vauxhall Vectra which was later found abandoned in Wilmott Road. The car was believed to have been stolen and had false number plates.
The offenders are all described as male, in dark clothing with their faces covered.
The staff and customers were not injured but were left extremely shaken.
Police are hoping that people heading home at the time of the incident may have seen the gang.
* Anyone who witnessed the robbery or anyone with information is urged to call Sutton Coldfield CID on 0845 113 5000.